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de_readme13.txt for Data Editing Extension v1.3
An Extension for ArcView GIS 3.x

Produced by Norcross Wildlife Foundation and
MA Department of Environmental Management

Email Contacts:
David Kimball - davidfkimball@hotmail.com
Nathanael Lloyd - nathanael.lloyd@state.ma.us
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This extension contains tools that augment ArcView's 
ability to create and edit polygon and line 
shapefiles.  The .zip file you downloaded contains 
the extension (.avx file) and this text file.  The 
extension needs to be placed in the correct directory 
so that ArcView can find it.  There are instructions 
on how to do this in the website help file.
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VERSION INFORMATION

1.3

- The current version is 1.3 
- Released January 2005 
- The node drawing environment was re-coded to improve 
performance. This means that when you are editing a 
line shapefile and are in regular Select mode, the red 
and cyan dots that mark dangles and pseudonodes, as 
well as the colored selected lines, will draw much 
faster than in previous versions. 
- The QuickSnap tool (which has been available 
separately on ESRI's ArcScripts page for a while) is 
now integrated into the Parcel Editing dialog. It is 
used for snapping line endpoints together quickly, 
easily, and accurately. It now has three different 
modes. 
- A new button has been added to the Parcel Editing 
dialog that removes every other vertex (but not 
endpoints) from the selected lines. This is useful for 
when your lines' vertices are too densely placed. 
- The code for the Mark Intersections button has been 
modified slightly to improve performance. You should 
now be able to test a few hundred lines in a reasonable 
amount of time. 
- The Grabber tool has been updated; it will now grab 
every part of a multipart line or polygon (including 
donut polygons) and make each part into a new feature. 
Previously it would only grab the first part of a 
multipart feature or donut polygon. 
- An attempt was made to fix the error message that 
occasionally occurred when a project containing the 
extension was saved and reopened.  I have been unable 
to replicate this error, but hopefully it won't recur 
with this version.
- A few other minor changes were made. 

1.2

- Released September 2001 
- The previous version had a bug where projections
involving UTM zone 18/19 gave bad coordinates (off by 
a few hundred meters). This affected the following 
options: Add Points from X,Y Coordinates; Write X,Y 
Coordinates to Theme Table; Add New Point tool 
(Attribute Editor). Avenue is not very good at 
projections! These projection options were only set 
up for use in Massachusetts so users from other areas 
and anyone who was not using the extension to project 
UTM coordinates should not have been affected. This 
problem was fixed by borrowing some code from the 
MassGIS Dataviewer's GetPoint script. Thanks to 
MassGIS' Aleda Freeman! 
- Clicking the Help buttons gave the wrong internet 
URL for this help document in a pop-up message box. 
This was fixed in this version. 
- A few other minor changes were made. 

1.1

- The first publicly available version is 1.1 
- Released December 2000 
- The vast majority of the extension was written 
between September 1998 and February 1999. Revisions 
were occasionially made between then and the release. 
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The help file can be found online at:

http://www.state.ma.us/dem/programs/gis/de/pe.htm

This is the most up-to-date version of the help.  If
that link changes, you should be able to find the 
help from the DEM GIS page below.  A copy of the
help file should also be available at 
http://www.davidkimball.com
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The website for the MA DCR GIS program is:

http://www.mass.gov/dcr/stewardship/gis/

or

http://www.state.ma.us/dem/programs/gis

(this is where you downloaded the extension)

The website for Norcross Wildlife Sanctuary is:

http://www.norcrossws.org

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